Benjamin f



I (No Model.) B. P. GADENHEAD. PLOW.

No. 512,678. Patented Jan. 16, 1894'.

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UN ITED- "STATES- PATENT OFFICE.

BENJAMIN F. OADENHEAD, OF UNION GROVE, ASSIGNOR OF TWO-THIRDS TO EMMETTGILBREAT'H, OF GUNTERSVILLE, AND MOSES E. BUTT, OF

BLOUNTSVILLE, AL AB AMA.

PLow.

SPECIFICATION forming part of Letters Patent No. 512,678, dated January16, 1894.

Application filed June 5, 1893.

To all whom it may concern/.

Be it known that 1, BENJAMIN F. CADEN- HEAD,a citizen of the UnitedStates, residing at Union Grove, in the county of Marshall and State ofAlabama, have invented a new and useful Plow, of which the following isa specification.

My invention relates to improvements in plows, and especially to thatclass thereof known as subsoilers.

The objects of theinvention are to produce a plow which will thoroughlypulverize and 'stir up the subsoil Without danger of intermingling thesame with the upper soil to provide for a renewal of certain portions ofthe plow subjected to excessive wear, and for an adjustment of themoldboard, whereby it may be adjusted with relation to its depth ofpenetration toward the subsoil.

With these and other objects in view, the invention consists in certainfeatures of construction hereinafter specified and particularly pointedout in the claims.

Referring to the drawings:--Figure l is a perspective view of a plowembodying my im provements. Fig. 2 is 4 a similar view, the moldboardand point removed. Fig. 3 is a detail in elevation of the moldboard andpoint. Fig. 4 is a perspective view of the casting for supporting themoldboard at the inner edge thereof. Fig. 5 is a similar view of asecond casting employed to support the outer edge of the moldboard.

Like numerals of reference indicate like parts in all the figures of thedrawings.

The plow stock 1 is of the usual construction, and has bolted as at 2 orotherwise secured the standard 3, which curves forward at its lower endto form a foot. To one side of the standard is secured the land-side 4,or

this feature may be omitted if so desired.

Serial No. 476,637- (No model.)

one side and has a final point 9 at its rear .end, which is slightlydepressed, the depresa result the wing Sis almost flat.

Secured above the point 7 to the standard -3 is an angular casting 10,the same having an inner securing flange 11 having a bolt hole throughwhich abolt is passed for the purpose of securing said casting inposition. The opposite branch of the casting simulates incross-section amoldboard and is provided with a plurality of. slots or elongated openings 12, clearly shown in Figs. 2 and 4.

A moldboard 13 is applied to the face of the casting and bolts 15 passthrough openings 16 in the moldboard and through the slots 12in thecasting. The moldboard is curved in cross-section,.its lower edge beingforwardly extended rather abruptly and beveled upon its under side toform a cutting edge 17 which overlaps, it might be vsaid the wing 8 .ofthe point 7, though as shown in Figs. 1 and 2, it is spaced therefrom,thus producing the intermediate opening. This opening may be increasedor decreased by moving the moldboard up or down upon the casting 10loosening, and resecuring the bolts 16 for the purpose of efiecting adjustability. The outer edge of the moldboard is supported through themedium of a secondangular casting 18, the same having its inner branchprovided with elongated bolt-holes 19, and its outer branch providedwith ordinary boltholes 20. Abolt 21 passes through the outer bolt-ho1e16 of the moldboard, and through the opening 20 of the said casting 18.As shown by dotted lines in Fig. 2 bolts 22 pass through the innerflange or branch of the casting 18 and through perforations in theadjacent handle 5, so that as the moldboard is movable up and down uponthe castinglO so also is the casting 18 movable up and down upon theaforesaid handle. I

Heretofore in this class of plows it has been customary to extend ashank from the lower front portion of the moldboard 13 to the up.- peredge of the point 7 and this is the portion subjected to the excessivewear during the operation of the plow, so that as a result not onlywould the point 7 become impaired but also the shank-portion of themoldboard, whereby the point and the moldboard would have to be replacedbefore the moldboard proper actually became worthless. As be foreindicated it is one of the objects of my invention to overcome thisdisadvantage and permit of the moldboard being used long after its shankhas become worn, or in other words, to provide for a replacement of theshank. This I accomplish by letting the moldboard terminate along itsstraight edge, and by filling the intervening space between said edgeand the upper end of the point 7 with one or a series of plates 22 andsecuring the same in position through the medium of in this instance acorresponding pair of L- shaped clips orstraps 23, through which bolts24 pass and into the standard 3, and similar bolts 25 are received whichpass through openings 26 formed in the said plates 22. By this latterarrangement it will be seen that as the point- 7 and the plates wearthey maybe removed and replaced by new ones, leaving the old moldboardto be continued in use, whereby I effect a considerable saving and alsoloss of time. As before stated, either one or a series of these platesmay be employed, though I prefer the series, in that it permits of anadjustment of the moldboard in the manner before stated. However, shouldthe adjustable feature of the moldboard be omitted, which maybe thecase, but one plate 22 would be employed.

A plow constructed with the peculiar shape of subsoil point described iscapable of being drawn through the soil with great facility, and withcomparatively small power or labor, or in other words, the plow isrendered very light of draft and at the same time the subsoil isthoroughly pulverized, but not turned up or over as is the case withother plows whose wings 8 are not flattened toward their rear ends andarranged so as to permit the soil to pass thereover without coming incontact with the lower edge of the moldboard 13.

It is tobe understood that changes in the form, proportion and the minordetails of construction may be resorted to without departing from theprinciple or sacrificing any of the advantages of this invention.

Having described my invention, what I claim is- 1. In a plow, thecombination with the stock and standard, of a subsoil point arrangedupon the standard at the lower end thereof and merged into a rearwardlydisposed wing gradually flattened and declining from 1ts point ofjuncture with the point to its rear and outer end, and a moldboardarranged above the wing forming an intervening space and having itslower edge disposed out of a plane with said wing, substantially asspecified. I

2. In a plow, the combination with the beam, standard, landside, andhandles, of a subsoil point arranged at the lower end of the standard,slotted flanged angle-castings secured to the standard and to a handleabove the point, the latter casting having ad ustable connection withsaid handle, and the former having slots, a moldboard arranged upon saidcastings, and bolts passed through the moldboard into the slots of onecasting and the hole of the other, substantially as specified.

3. In a plow, the combination with a beam and a standard, of a subsoilpoint arranged at the lower end of the standard, a moldboard arrangedabove said point and secured to the standard, and an intermediateremovable shank connecting the moldboard and point, substantially asspecified.

4. In a plow, the combination with a beam and the standard, of alowersubsoil point, an upper moldboard spaced therefrom, an L- shaped clip,and a removable plate secured to the clip and arranged between the pointand moldboard, substantially as specified.

In testimony that I claim the foregoing as my own I have hereto afiixedmy signature in the presence of two witnesses.

BENJAMIN F. CADENI-IEAD.

Witnesses:

HARLEN F. HEWETT, Jos. W. BARNARD.

